<?php
/***********************************************************************************
 * X2Engine Open Source Edition is a customer relationship management program developed by
 * X2 Engine, Inc. Copyright (C) 2011-2019 X2 Engine Inc.
 * 
 * This program is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Affero General Public License version 3 as published by the
 * Free Software Foundation with the addition of the following permission added
 * to Section 15 as permitted in Section 7(a): FOR ANY PART OF THE COVERED WORK
 * IN WHICH THE COPYRIGHT IS OWNED BY X2ENGINE, X2ENGINE DISCLAIMS THE WARRANTY
 * OF NON INFRINGEMENT OF THIRD PARTY RIGHTS.
 * 
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE.  See the GNU Affero General Public License for more
 * details.
 * 
 * You should have received a copy of the GNU Affero General Public License along with
 * this program; if not, see http://www.gnu.org/licenses or write to the Free
 * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301 USA.
 * 
 * You can contact X2Engine, Inc. P.O. Box 610121, Redwood City,
 * California 94061, USA. or at email address contact@x2engine.com.
 * 
 * The interactive user interfaces in modified source and object code versions
 * of this program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU Affero General Public License version 3.
 * 
 * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
 * these Appropriate Legal Notices must retain the display of the "Powered by
 * X2 Engine" logo. If the display of the logo is not reasonably feasible for
 * technical reasons, the Appropriate Legal Notices must display the words
 * "Powered by X2 Engine".
 **********************************************************************************/




require_once 'protected/integration/Twilio/twilio-php/Twilio/autoload.php';

use Twilio\Rest\Client;

/**
 * A behavior for interacting with the Twilio API
 * @package application.components.behaviors
 * @author "Raymond Colebaugh" <raymond@x2engine.com>
 */
class TwilioBehavior extends CBehavior {

    private $_client;
    private $sid;
    private $token;
    private $from;

    public function initialize(array $params = array()) {
        foreach ($params as $key => $value) {
            if (in_array($key, array('token', 'sid', 'from'))) {
                $this->$key = $value;
            }
        }
    }

    /**
     * Instantiate Twilio API client
     */
    protected function getTwilioClient() {
        if (!isset($this->_client)) {
            if (!empty($this->sid) && !empty($this->token)) {
                $this->_client = new Client(
                    $this->sid,
                    $this->token
                );
            }
        }
        return $this->_client;
    }

    /**
     * Send an SMS message using the Twilio API
     * @param string $number The target phone number
     * @param string $message Message to send via SMS
     * @return bool Success
     */
    public function sendSMSMessage($number, $message) {
        $client = $this->twilioClient;
        return $client->messages->create($number, array(
            'from' => $this->from,
            'body' => $message,
        ));
    }

}
